1 /* $NetBSD: linux_machdep.c,v 1.1 2002/01/14 23:14:38 bjh21 Exp $ */ 2 3 /*- 4 * Copyright (c) 1995, 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Frank van der Linden. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/param.h> 40 41 __KERNEL_RCSID(0, "$NetBSD: linux_machdep.c,v 1.1 2002/01/14 23:14:38 bjh21 Exp $"); 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/signalvar.h> 46 #include <sys/kernel.h> 47 #include <sys/map.h> 48 #include <sys/proc.h> 49 #include <sys/user.h> 50 #include <sys/buf.h> 51 #include <sys/reboot.h> 52 #include <sys/conf.h> 53 #include <sys/exec.h> 54 #include <sys/file.h> 55 #include <sys/callout.h> 56 #include <sys/malloc.h> 57 #include <sys/mbuf.h> 58 #include <sys/msgbuf.h> 59 #include <sys/mount.h> 60 #include <sys/vnode.h> 61 #include <sys/device.h> 62 #include <sys/syscallargs.h> 63 #include <sys/filedesc.h> 64 #include <sys/exec_elf.h> 65 #include <sys/disklabel.h> 66 #include <sys/ioctl.h> 67 #include <miscfs/specfs/specdev.h> 68 69 #include <compat/linux/common/linux_types.h> 70 #include <compat/linux/common/linux_signal.h> 71 #include <compat/linux/common/linux_util.h> 72 #include <compat/linux/common/linux_ioctl.h> 73 #include <compat/linux/common/linux_hdio.h> 74 #include <compat/linux/common/linux_exec.h> 75 #include <compat/linux/common/linux_machdep.h> 76 77 #include <compat/linux/linux_syscallargs.h> 78 79 void 80 linux_setregs(p, epp, stack) 81 struct proc *p; 82 struct exec_package *epp; 83 u_long stack; 84 { 85 /* struct pcb *pcb = &p->p_addr->u_pcb; */ 86 87 setregs(p, epp, stack); 88 } 89 90 void 91 linux_sendsig(catcher, sig, mask, code) 92 sig_t catcher; 93 int sig; 94 sigset_t *mask; 95 u_long code; 96 { 97 98 panic("linux_sendsig not implemented"); 99 } 100 /* 101 * System call to cleanup state after a signal 102 * has been taken. Reset signal mask and 103 * stack state from context left by sendsig (above). 104 * Return to previous pc and psl as specified by 105 * context left by sendsig. Check carefully to 106 * make sure that the user has not modified the 107 * psl to gain improper privileges or to cause 108 * a machine fault. 109 */ 110 int 111 linux_sys_rt_sigreturn(p, v, retval) 112 struct proc *p; 113 void *v; 114 register_t *retval; 115 { 116 /* XXX XAX write me */ 117 return(ENOSYS); 118 } 119 120 int 121 linux_sys_sigreturn(p, v, retval) 122 struct proc *p; 123 void *v; 124 register_t *retval; 125 { 126 127 return ENOSYS; 128 } 129 130 /* 131 * major device numbers remapping 132 */ 133 dev_t 134 linux_fakedev(dev) 135 dev_t dev; 136 { 137 /* XXX write me */ 138 return dev; 139 } 140 141 /* 142 * We come here in a last attempt to satisfy a Linux ioctl() call 143 */ 144 int 145 linux_machdepioctl(p, v, retval) 146 struct proc *p; 147 void *v; 148 register_t *retval; 149 { 150 struct linux_sys_ioctl_args /* { 151 syscallarg(int) fd; 152 syscallarg(u_long) com; 153 syscallarg(caddr_t) data; 154 } */ *uap = v; 155 struct sys_ioctl_args bia; 156 u_long com; 157 158 SCARG(&bia, fd) = SCARG(uap, fd); 159 SCARG(&bia, data) = SCARG(uap, data); 160 com = SCARG(uap, com); 161 162 switch (com) { 163 default: 164 printf("linux_machdepioctl: invalid ioctl %08lx\n", com); 165 return EINVAL; 166 } 167 SCARG(&bia, com) = com; 168 return sys_ioctl(p, &bia, retval); 169 } 170